Linux

How to Use tmux for Terminal Multiplexing on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Use tmux for Terminal Multiplexing on RHEL 8

tmux is a terminal multiplexer that lets you run multiple shell sessions inside a single terminal window, keep sessions alive after you disconnect from SSH, and split your screen into panes for simultaneous work. On RHEL 8 it is available from the default AppStream repository and requires no additional configuration to get started. This tutorial […]

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Debian 10 — pango1.0 — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — pango1.0 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 7 March 2020 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-1010238 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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Alpine Linux edge — virt-manager — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — virt-manager — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 2.2.1-r0 📖 ~4 min read  •  Source: Alpine secdb entry — virt-manager 2.2.1-r0 Related CVEs: CVE-2019-10183 Upstream summary: Alpine community repository for vedge ships virt-manager 2.2.1-r0 which addresses CVE-2019-10183. Table of contents Symptom & Impact Environment […]

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openSUSE Tumbleweed — grafana-piechart-panel — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — grafana-piechart-panel — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2021:1308-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-13429 Upstream summary: legend.ts in the piechart-panel (aka Pie Chart Panel) plugin before 1.5.0 for Grafana allows XSS via the Values Header (aka legend header) […]

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How to Configure cAdvisor Container Metrics on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Configure cAdvisor Container Metrics on Debian 10

Introduction Deploying configure cadvisor container metrics on debian 10 on a Debian 10 Buster machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites You will […]

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openSUSE Tumbleweed — python36-nltk — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — python36-nltk — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2020:0436-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-14751 Upstream summary: NLTK Downloader before 3.4.5 is vulnerable to a directory traversal, allowing attackers to write arbitrary files via a ../ (dot dot slash) […]

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Arch Linux — pcsclite — vulnerability — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — pcsclite — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-201701-12 Related CVEs: CVE-2016-10109 Upstream summary: Type: privilege escalation. Status: Fixed. Affected: 1.8.18-1. Fixed in: 1.8.20-1. Group: AVG-126. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]

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Oracle Linux 8 — nodejs:10 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — nodejs:10 — vulnerability — patch and remediation guide (ELSA-2020-1317)

🟠 High   ⏱ 15–60 min  Last verified: 6 March 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-1317 Related CVEs: CVE-2020-10531 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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openSUSE Tumbleweed — jgraphx — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — jgraphx — vulnerability — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2017-18197 Upstream summary: In mxGraphViewImageReader.java in mxGraph before 3.7.6, the SAXParserFactory instance in convert() is missing flags to prevent XML External Entity (XXE) attacks, as […]

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